The serum proteins are presented with constant figures in well-nourished and healthy subjects; hence their concentration is an index of nutritional status and results at the same time the quality and quantity of ingested food proteins because, before the deficiency this contribution a number of clinical processes that culminate mainly occur in growth arrest, and severe in the presence of Kwashiorkor in very young children cases.

Determination of Vitamin C or ascorbic acid in serum is used for diagnosing the states of serious deficit in food supply, which brings scurvy.

This time, we present the work done in the city of Tarapoto, influential in the development of eastern Peru and where the work of the "Marginal Road" linking north and south are a number of centralized populated places and then the access roads to the mountains and coast, ensure a means of communication that allow them out of isolation in which they live and the development of agro-livestock activities in the extensive area of high forest. in this way you can have land to house hundreds of thousands of peasants living in subhuman conditions in the mountains and overpopulated coast.